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by markhellewell 4176 days ago
On OpenBSD the integration with physical devices is done via builtin software. I run a stratum 1 OpenNTPD server on OpenBSD, with a GPS attached via nmea [1]. The GPS data shows up via the sensors framework, which OpenNTPD interfaces with [2].

[1] http://www.openbsd.org/cgi-bin/man.cgi/OpenBSD-current/man4/...

[2] http://openbsd.id/papers/radio-clocks-asiabsdcon07.pdf

1 comments

It's interesting how the author of the paper (and work) gets PPS sampling wrong.